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authorBrad King <brad.king@kitware.com>2019-04-19 11:40:14 (GMT)
committerBrad King <brad.king@kitware.com>2019-04-19 11:46:13 (GMT)
commitdb02be85a0bcccb633b31f087cde96d95fd21e8f (patch)
tree9814a9faa000bc83770dac6593a4b9fed890e3eb /Help/variable
parent5e98111643e22ad515afa2bf48a92573b6987115 (diff)
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VS: Provide the default platform name to project code
The value of `CMAKE_VS_PLATFORM_NAME` is computed by Visual Studio generators based on `CMAKE_GENERATOR_PLATFORM` or some default. Prior to the VS 2019 generator, the default was always `Win32`. However, for the `Visual Studio 16 2019` generator, the default is based on the host platform. Store the default in a new `CMAKE_VS_PLATFORM_NAME_DEFAULT` variable for use by project code. This is particularly useful in toolchain files because they are allowed to set `CMAKE_GENERATOR_PLATFORM` and so `CMAKE_VS_PLATFORM_NAME` is not yet known. Of course the toolchain file author knows whether it will set `CMAKE_GENERATOR_PLATFORM`, and if not then `CMAKE_VS_PLATFORM_NAME_DEFAULT` provides the platform name that will be used. Fixes: #19177
Diffstat (limited to 'Help/variable')
-rw-r--r--Help/variable/CMAKE_VS_PLATFORM_NAME.rst4
-rw-r--r--Help/variable/CMAKE_VS_PLATFORM_NAME_DEFAULT.rst9
2 files changed, 12 insertions, 1 deletions
diff --git a/Help/variable/CMAKE_VS_PLATFORM_NAME.rst b/Help/variable/CMAKE_VS_PLATFORM_NAME.rst
index a532743..7a4642a 100644
--- a/Help/variable/CMAKE_VS_PLATFORM_NAME.rst
+++ b/Help/variable/CMAKE_VS_PLATFORM_NAME.rst
@@ -1,8 +1,10 @@
CMAKE_VS_PLATFORM_NAME
----------------------
-Visual Studio target platform name.
+Visual Studio target platform name used by the current generator.
VS 8 and above allow project files to specify a target platform.
CMake provides the name of the chosen platform in this variable.
See the :variable:`CMAKE_GENERATOR_PLATFORM` variable for details.
+
+See also the :variable:`CMAKE_VS_PLATFORM_NAME_DEFAULT` variable.
diff --git a/Help/variable/CMAKE_VS_PLATFORM_NAME_DEFAULT.rst b/Help/variable/CMAKE_VS_PLATFORM_NAME_DEFAULT.rst
new file mode 100644
index 0000000..c18e6fd
--- /dev/null
+++ b/Help/variable/CMAKE_VS_PLATFORM_NAME_DEFAULT.rst
@@ -0,0 +1,9 @@
+CMAKE_VS_PLATFORM_NAME_DEFAULT
+------------------------------
+
+Default for the Visual Studio target platform name for the current generator
+without considering the value of the :variable:`CMAKE_GENERATOR_PLATFORM`
+variable. For :ref:`Visual Studio Generators` for VS 2017 and below this is
+always ``Win32``. For VS 2019 and above this is based on the host platform.
+
+See also the :variable:`CMAKE_VS_PLATFORM_NAME` variable.